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Dynamics of a Rabi oscillation under a pulsed perturbation

Authors
Choi, Jai MinKim, Gee-NaCho, D.
Issue Date
1월-2008
Publisher
AMER PHYSICAL SOC
Citation
PHYSICAL REVIEW A, v.77, no.1
Indexed
SCIE
SCOPUS
Journal Title
PHYSICAL REVIEW A
Volume
77
Number
1
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/124533
DOI
10.1103/PhysRevA.77.010501
ISSN
2469-9926
Abstract
We study how a Rabi oscillation is affected by a periodic pulsed perturbation. Unlike a continuous perturbation, which simply shifts the resonance frequency, a pulsed perturbation splits the Rabi resonance into two lines separated by the pulse repetition rate. When the perturbation integrated over one pulse is equal to pi, the resonance splits into two symmetrically placed lines at +/- half the pulse repetition rate. When it is 2 pi, the Rabi oscillation is unaffected by the perturbation. We demonstrate these behaviors using the ground hyperfine transition of cesium atoms in a magneto-optical trap. The pulsed perturbation is introduced by a periodic magnetic field pulse. The 2 pi case is compared with the self-induced transparency, and its implications for optical frequency metrology using a pulsed optical trap is discussed.
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